SeaSport 2-7/8" Bell Pedestals- - 13" Adjustable Ped-Economy Adjustable Pedestal-13" Economy Adjustable PedestalF E A T U R E S-Built to Handle the Big Water Heavy duty 2-7/8" posts and 9" dia. machined bases are engineered for strength and safety in harsh offshore conditionsType A/Operator Models lead the industry with these features: Ergonomic positive-locking handles with stainless steel components "J-Slot" locking channels are the safest manual adjustment available PowerLock™ Multi-Action handle controls both swiveling and height adjustment. No more wondering which handle does what TwinGlide™ CAM-Action makes seat removal simple. When engaged, seat mount is posi-locked to the post and swivels freelySeaSport™ Seat Mount NEW Dual-Cable activated model allows remote control for both slide and swivel*Not Recommended To Interchange with Other Manufacturers' Products